<template>
<!--     <button @click="handle">点击</button>
    <input type="text" v-model="count"> -->

    <div>
        <button class="btn">
         
        </button>
        <button class="btn">
            <slot name="sl" :clas="444" :msg="msg" :grade="2021">
                1
            </slot>
        </button>

        
    </div>


</template>

<script setup>
import { defineProps,defineEmits,ref } from 'vue';
const msg = ref('4班')
/* 

const props = defineProps([count]);
const emits = defineEmits([handle]) */
</script>